Armasight NSMN140001F6DA1 N-14 FLAG Multi-Purpose Night Vision Monocular - Manual (Page 40)

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CAUTION:
Handle the intensifier tube gently to prevent damage.
Treat any supposedly defective tubes as though they are in good condition so they are not
damaged when returned to be reused.
Gently remove the intensifier tube from within the wired housing.
Slowly pull the tube out of the housing in a straight line.
If the intensifier tube is not defective, wrap it in lens paper to protect it and store it in a clean,
dry location.
4. Extract the intensifier tube (B) from the body of the unit (A).
CAUTION:
To avoid damaging the tube, use caution when opening the shipping container.
Treat the defective intensifier tube carefully to avoid damaging it further before returning it.
Only set the intensifier tube down on its contact end.
DO NOT force the intensifier tube into the wired housing of the device.
NOTE:
Retain packaging material for use in returning defective intensifier tubes.
5. Clean both ends of the new intensifier tube with cotton-tipped applicators dampened with isopropyl
alcohol.
6. Slide the intensifier tube, contact-end first, into the opening of the wired housing. The groove on the
side of the tube should engage the ridge inside the opening of the wired housing.
7. Slide the light guide (C) into place within the body of the unit (A).
8. Screw the lock ring (D) into the body of the unit (A).
9. Screw the eyepiece (E) into the body of the unit (A).
FIGURE B-1. INTENSIFIER TUBE REPLACEMENT
A
B
C
D
E